so well and been so vocal in demanding both safe, affordable food andanenvironmentworthliving in. china's leaders will need to show creativity and balance to meet those demands. the chinese people are watching to see that they do. >> ifill: mary kay magistad writes about exploding watermelons and other food safety challenges for chinese consumers in a blog post. we also have a slide-show of images from china's burgeoning meat industry. you can find both links on our web site. again, the major developments of the day. marine general john allen, the top commander in afghanistan, came under scrutiny over e-mails and messages with a florida woman who triggered the david petraeus probe. and congress returned to work in a lame-duck session. lawmakers faced the challenge of preventing major tax hikes and spending cuts in the new year. tonight's edition of "frontline" explores the polarizing issue of assisted suicide. kwame holman has the details. >> holman: in "the suicide plan," filmmakers uncover a surprisingly coordinated underground world of assisted suicide in america. watch a prev

. >> ( translated ): in thenewenvironment, ourparty faces many severe challenges and there are many pressing problems within the party that need to be resolved. the problems among the party members and card res of corruption taking bribes, being out of touch with the people, undue emphasis on formalities and bureaucracy must be addressed with great effort:. >> ( translated ): -- >> reporter: we know only a little about xi. he's the son of a communist party hero. his daughter is at harvard and his wife is a famous singer. she holds a rank in the people's liberation army equivalent to major general but has disappeared from view since her husband was picked for the top. the other five on stage today are a conservative lot, reformers lost out in this reshuffle. this man studied economics in north korea. the man on the right has been in charge of propaganda and censorship. yesterday the politburo voted to include in their constitution outgoing president hu jintao's theory of scientific development. all in favor? anyone against? no one. no one. it's a show. important decisions like who will be lea